User's Manual

15 Chapter 2
Note: NC represents “No Connection”
2.3.4 Audio Connector
The ARK-3384 offers AC97 stereo Audio ports by three phone jack con-
nectors: Speaker_Out, Mic_In and Line_In,
2.3.5 Ethernet Connector (LAN)
The ARK-3384 is equipped with an Intel 82551ER Ethernet controller
that is fully compliant with IEEE 802.3u 10/100Base-T CSMA/CD stan-
dards. The Ethernet port provides a standard RJ-45 jack connector with
LED indicators on the front side to show its Active/Link status (Green
LED) and Speed status (white LED).
Table 2.5: COM2 standard serial port pin assignments
RS-232 RS-422 RS-485
Pin Signal Name Signal Name Signal Name
1 DCD Tx- DATA-
2RxD Tx+ DATA+
3 TxD Rx+ NC
4DTR Rx- NC
5 GND GND GND
6DSR NC NC
7RTS NC NC
8CTS NC NC
9RI NC NC
Table 2.6: Line_In connector
Line-In Connector
Footprint Phone Jack 3.5f5P, 90 Degree, Female, BLUE
color, with SHIELDED
Table 2.7: Speaker_Out connector
Speaker-Out Connector
Footprint Phone Jack 3.5f5P, 90 Degree, Female, LIME
color, with SHIELDED
Table 2.8: Mic_In connector
Mic-In Connector
Footprint Phone Jack 3.5f5P, 90 Degree, Female, PINK
color, with SHIELDED